/*
 * Copyright (C) 2009, 2010, B3log Team
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.b3log.nide.service.maven.cmd;

import java.util.Observer;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.b3log.latke.service.ServiceException;
import org.b3log.nide.model.Project;
import org.json.JSONException;
import org.json.JSONObject;

/**
 * Cleans a Maven project command.
 *
 * @author <a href="mailto:DL88250@gmail.com">Liang Ding</a>
 * @version 1.0.0.3, Nov 29, 2010
 */
public final class CleanCmd extends AbstractMvnCommand {

    /**
     * Logger.
     */
    private static final Logger LOGGER =
            Logger.getLogger(CleanCmd.class.getName());
    /**
     * Cleans a Maven project command.
     */
    private final String cmd = "clean --non-recursive";

    /**
     * Cleans a Maven project with the specified argument.
     *
     * @param argument the specified argument, for example:
     * <pre>
     * {
     *     "projectBaseDir": "/home/daniel/nide/projects/nide-test/"
     * }
     * </pre>
     * @param outputListeners the specified output listeners
     * @return for example:
     * <pre>
     * {
     * TODO
     * }
     * </pre>
     * @throws ServiceException service exception
     */
    @Override
    public JSONObject execute(final JSONObject argument,
                              final Observer... outputListeners)
            throws ServiceException {
        final JSONObject ret = new JSONObject();

        String projectBaseDir = null;
        try {
            projectBaseDir = argument.getString(Project.PROJECT_BASE_DIR);

            LOGGER.fine("Cleaning project....");
            mvn(projectBaseDir, cmd, outputListeners);
        } catch (final JSONException e) {
            LOGGER.log(Level.SEVERE, e.getMessage(), e);
            throw new ServiceException(e);
        }

        return ret;
    }
}
